Home / 54,422.73-81,665.63-22,830

Finding the Fourth Proportional to 54,422.73, 81,665.63 and 22,830

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Solution

The fourth proportional to 54,422.73, 81,665.63 and 22,830 is: 34,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,422.73 : 81,665.63 = 22,830 : x
  2. Step 2: Convert to fraction form
    54,422.73/81,665.63 = 22,830/x
  3. Step 3: Cross multiply
    54,422.73x = 81,665.63 × 22,830
  4. Step 4: Simplify right side
    54,422.73x = 1,864,426,218.75
  5. Step 5: Solve for x
    x = 1,864,426,218.75/54,422.73
  6. Step 6: Final answer
    x = 34,258.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.